Pith Number

pith:JJC6A6A2

pith:2026:JJC6A6A2M7VJNYR355SPV6SBMG

not attested not anchored not stored refs pending

Active Causal Experimentalist (ACE): Learning Intervention Strategies via Direct Preference Optimization

Alvaro Velasquez, Patrick Cooper

arxiv:2602.02451 v2 · 2026-02-02 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJC6A6A2M7VJNYR355SPV6SBMG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-23T00:11:48.761737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a45e0781a67ea96e23bef64fafa41619bf4de4f0086b34019963bf8b1d0dcb5

Aliases

arxiv: 2602.02451 · arxiv_version: 2602.02451v2 · doi: 10.48550/arxiv.2602.02451 · pith_short_12: JJC6A6A2M7VJ · pith_short_16: JJC6A6A2M7VJNYR3 · pith_short_8: JJC6A6A2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JJC6A6A2M7VJNYR355SPV6SBMG \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4a45e0781a67ea96e23bef64fafa41619bf4de4f0086b34019963bf8b1d0dcb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c6b9849ac7303eef790dbcaf542e488ddccd84734253d34b213a6d43d25a7ec",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-02T18:43:52Z",
    "title_canon_sha256": "ed78e7afd45ad7a154a1e7d6bfa8775a5e81d979836b46e8289c5e4108fdfeb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.02451",
    "kind": "arxiv",
    "version": 2
  }
}